The Gangster Gang of Miami: Mad Crime City is a city-based, gangster-themed action game. You play as a criminal who dreams of becoming a boss in the world of crime. To achieve this, you must dominate the city of Miami, as well as its streets and the underworld itself.

The game offers you a great number of missions, from simple stealing missions to more complicated ones, such as robbing a bank or killing a mobster. These missions will earn you money, which you can use to buy weapons and equipment.